MT_TMAC_CDTR
mt76_wr(dev, MT_TMAC_CDTR, cck + reg_offset);
mt76_wr(dev, MT_TMAC_CDTR(band), cck + reg_offset);
mt76_wr(dev, MT_TMAC_CDTR(0), cck + reg_offset);
mt76_wr(dev, MT_TMAC_CDTR(band_idx), cck + reg_offset);